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Science and Technology of Nuclear Installations
Volume 2014, Article ID 279092, 10 pages
Research Article

Preliminary Development of Thermal Power Calculation Code H-Power for a Supercritical Water Reactor

School of Nuclear Science and Engineering, North China Electric Power University, Beijing 102206, China

Received 6 December 2013; Revised 18 February 2014; Accepted 18 February 2014; Published 26 March 2014

Academic Editor: Jiejin Cai

Copyright © 2014 Fan Zhang et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


SCWR (Supercritical Water Reactor) is one of the promising Generation IV nuclear systems, which has higher thermal power efficiency than current pressurized water reactor. It is necessary to perform the thermal equilibrium and thermal power calculation for the conceptual design and further monitoring and calibration of the SCWR. One visual software named H-Power was developed to calculate thermal power and its uncertainty of SCWR, in which the advanced IAPWS-IF97 industrial formulation was used to calculate the thermodynamic properties of water and steam. The ISO-5167-4: 2003 standard was incorporated in the code as the basis of orifice plate to compute the flow rate. New heat balance model and uncertainty estimate have also been included in the code. In order to validate H-Power, an assessment was carried out by using data published by US and Qinshan Phase II. The results showed that H-Power was able to estimate the thermal power of SCWR.